Hot!! Electronic Digital Pressure Indicator 1.48 Universal input 2.Sample rate:0.5S, ... 3.Relay,RS485/RS232,Printing 4.CE Hot!! EconomicUniversal Pressure Indicator1.48 Universal input2.Sample rate:0.5S, 3.Relay ... display multi-points value, testing and inspecting circuitry, display the processes in various industry application for temperature, humidity, pressure, level, flow, weight ...